Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-19.5 | 305/70-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33 (838.3) | 36.31 (922.3) | 3.31 (84) 10% |
| Width inches (mm) | 9.65 (245) | 12.01 (305) | 2.36 (60) 24.5% |
| Circum. inches (mm) | 103.68 (2633.6) | 114.07 (2897.49) | 10.39 (263.89) 10% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 8.41 (213.5) | 1.65 (42) 24.5% |
| Revolutions per mile (km) | 611.08 (379.71) | 555.43 (345.13) | -55.66 (-34.58) -9.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22 mph (35.41 km/h) |
| 25 mph (40.23 km/h) | 27.51 mph (44.27 km/h) |
| 30 mph (48.28 km/h) | 33.01 mph (53.12 km/h) |
| 35 mph (56.33 km/h) | 38.51 mph (61.97 km/h) |
| 40 mph (64.37 km/h) | 44.01 mph (70.82 km/h) |
| 45 mph (72.42 km/h) | 49.51 mph (79.68 km/h) |
| 50 mph (80.47 km/h) | 55.01 mph (88.53 km/h) |
| 55 mph (88.51 km/h) | 60.51 mph (97.38 km/h) |
| 60 mph (96.56 km/h) | 66.01 mph (106.24 km/h) |
| 65 mph (104.61 km/h) | 71.51 mph (115.09 km/h) |
| 70 mph (112.65 km/h) | 77.01 mph (123.94 km/h) |
| 75 mph (120.7 km/h) | 82.52 mph (132.8 km/h) |
| 80 mph (128.75 km/h) | 88.02 mph (141.65 km/h) |
| 85 mph (136.79 km/h) | 93.52 mph (150.5 km/h) |
| 90 mph (144.84 km/h) | 99.02 mph (159.35 km/h) |
| 95 mph (152.89 km/h) | 104.52 mph (168.21 km/h) |
| 100 mph (160.93 km/h) | 110.02 mph (177.06 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1413 | 1642 | 1768 | 1847 | 1931 | 1991 | 2057 | 2135 | 2243 | 2352 | 2472 | 2568 | 2743 | 2935 | 3086 | 3182 | 3236 | 3434 | 3711 | 4313 |
Better Fuel Economy Factory Ratios Increased Power
